318180420899 has 16 divisors (see below), whose sum is σ = 367542354816. Its totient is φ = 272226268800.

The previous prime is 318180420839. The next prime is 318180420931. The reversal of 318180420899 is 998024081813.

It is a cyclic number.

It is not a de Polignac number, because 318180420899 - 2²⁰ = 318179372323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318180420899.

It is not an unprimeable number, because it can be changed into a prime (318180420839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5894864 + ... + 5948594.

It is an arithmetic number, because the mean of its divisors is an integer number (22971397176).

Almost surely, 2^318180420899 is an apocalyptic number.

318180420899 is a deficient number, since it is larger than the sum of its proper divisors (49361933917).

318180420899 is a wasteful number, since it uses less digits than its factorization.

318180420899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85426.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 318180420899 in words is "three hundred eighteen billion, one hundred eighty million, four hundred twenty thousand, eight hundred ninety-nine".